There are three main types of color vision deficiency: red-green, blue-yellow, and complete. Color blindness, or color vision deficiency, affects the way you perceive color and can make it hard to ...

Abnormal color vision increases significantly with aging -— affecting one-half or more of people in the oldest age groups, reports a study. While few people younger than 70 have problems with color ...

The study is part of a wider project being conducted at the Department of Optics of the University of Granada, Spain, to investigate various aids marketed as being able to "improve" colour vision ...

Color blindness or color vision deficiency is incurable and there is no specific treatment that can help individuals with this condition. While in some individuals the symptoms are so mild that they ...